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math.AG2015★ 1 cited
Ramified Galois covers via monoidal functors
Fabio Tonini
We interpret Galois covers in terms of particular monoidal functors, extending the correspondence between torsors and fiber functors. As applications we characterize tame -cover…
math.AC2015
Trace map and regularity of finite extensions of a DVR
Fabio Tonini
We interpret the regularity of a finite and flat extension of a discrete valuation ring in terms of the trace map of the extension.